Threshold

Summary

Creates a raster object by dividing an input raster into two distinct classes in which a high-value class is displayed with light pixels and a low-value class is displayed with dark pixels.

Discussion

For more information about how this function works, see the Binary Thresholding raster function.

The referenced raster dataset for the raster object is temporary. To make it permanent, you can call the raster object's save method.

Syntax

Threshold (raster)

Parameter	Explanation	Data Type
raster	The input raster.	Raster

Return Value

Data Type	Explanation
Raster	The output raster.

Code sample

Threshold example

Divides a Landsat 8 image into two classes.

import arcpy

Binary_raster = arcpy.ia.Threshold("Landsat8.TIF")